Idioms
A group of words which have a different meaning when used together from the one they would have if you took the meaning of each word separately.
Idiom:
strike a sour note
Meaning:
to signify something unpleasant
Example:
The statements of the speaker struck a sour note with many members of the audience.
List of common idioms, their meanings and examples of their usage in sentences
Idioms are phrases which cannot be understood simply by looking at the meaning of the individual words in the phrase.